quad9.net

Quad9

Who runs Quad9, what it tracks and what it costs, and the 20 closest public DNS resolver alternatives.

Who’s behind it
Not stated
Online since
Unknown
Trackers
Prices
No pricing page
Last price change
–
Closest alternative
NextDNS

Measured from Quad9’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.

We’ll send a link to confirm. Your address is only used for these alerts.

Visit Quad9

01 · Who’s behind it

Who runs Quad9

Quad9 quad9.net

A public and free DNS service for a better security and privacy

Wikidata: DNS service

Company
No imprint we could read
Online since
Not in the Internet Archive
Audience
In English

02 · Privacy

What Quad9 tracks

What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.

tracker that follows visitors

11 of the 17 alternatives below have fewer, 3 have more.

Privacy-friendly alternatives →
Cookie banner
None found
US company
1 tool
  • Marketing and email tracking

    Links visits to email campaigns and customer profiles.

03 · Alternatives

Alternatives to Quad9

Thumbs up if it’s a real alternative to Quad9, thumbs down if it isn’t.

Fewer trackers than Quad9No ad trackersRegistered in the EUFree planOnly in English
  1. 01
    NextDNS nextdns.io Top 10K English No trackers

    NextDNS - The new firewall for the modern Internet

    NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids — on all devices and on all networks.

    Compare NextDNS with Quad9 →
  2. 02
    AdGuard DNS adguard-dns.io English No trackers

    AdGuard DNS — ad-blocking DNS server

    Create your ad-blocking DNS server that will protect your personal data, prevent tracking and allow you to control access to specific content on the Internet.

    Compare AdGuard DNS with Quad9 →
  3. 03
    OpenDNS opendns.com Top 1K

    company

    Compare OpenDNS with Quad9 →
  4. 04
    NLnet Labs nlnetlabs.nl Top 10K English No trackers

    NLnet Labs - Home

    Research & Development, Internet architecture, DNS, Routing, Stability and Security.

    Compare NLnet Labs with Quad9 →
  5. 05
    Control D controld.com English No trackers

    Control D | DNS Filtering for Every OS

    Encrypted DNS filtering trusted by 100M+ users. Blocks malware and trackers on every OS. Flat fee per endpoint. Start free.

    Compare Control D with Quad9 →
  6. 06
    CleanBrowsing cleanbrowsing.org English 1 tracker

    CleanBrowsing | DNS Content Filtering Service

    Affordable DNS filtering that blocks malware, adult content, and unwanted sites. Protect schools, families, and businesses at the network level.

    Compare CleanBrowsing with Quad9 →
  7. 07
    Pi-hole pi-hole.net English No trackers

    Pi-hole – Network-wide Ad Blocking

    ad- and tracker-blocking application

    Compare Pi-hole with Quad9 →
  8. 08
    ICANN icann.org Top 10K English No trackers

    Internet Corporation for Assigned Names and Numbers (ICANN)

    ICANN’s mission is to help ensure a stable, secure, and unified global Internet.

    Compare ICANN with Quad9 →
  9. 09
    Shadowserver shadowserver.org English 1 tracker

    The Shadowserver Foundation

    The Shadowserver Foundation is a nonprofit security organization working altruistically behind the scenes to make the Internet more secure for everyone.

    Compare Shadowserver with Quad9 →
  10. 10
    Hyphanet freenetproject.org English No trackers

    Hyphanet

    free software

    Compare Hyphanet with Quad9 →
  11. 11
    PowerDNS Authoritative Server powerdns.com English 2 trackers

    Home

    Boost subscriber performance by up to 25% for less than 1% of your overall 5G network investment.

    Compare PowerDNS Authoritative Server with Quad9 →
  12. 12
    DNSFilter dnsfilter.com English 2 trackers

    Best-Rated DNS Filtering Service | DNS Security | DNSFilter

    The DNS filtering service trusted by 57,000+ organizations. DNSFilter's DNS security software blocks malware, phishing, and unwanted sites in minutes.

    Compare DNSFilter with Quad9 →
  13. 13
    Let's Encrypt letsencrypt.org Top 10K English No trackers

    Let's Encrypt

    Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our work in our Annual Report.

    Compare Let's Encrypt with Quad9 →
  14. 14

    development and dissemination of internet software and tools

    Compare Internet Systems Consortium with Quad9 →
  15. 15
    Privacy Guides privacyguides.org English No trackers

    Privacy Guides

    Established in 2021, Privacy Guides is the largest impartial, non-profit media outlet focused on finding privacy tools and learning about protecting your digital life.

    Compare Privacy Guides with Quad9 →
  16. 16
    pir.org English 3 trackers

    .ORG - Power Your Inspiration. Connect Your World.

    For diverse global communities & individuals who want to do great things online, .ORG is purpose-driven to empower & connect those who inspire the world.

    Compare pir.org with Quad9 →
  17. 17
    Denic denic.de English 1 tracker

    DENIC eG: DENIC – Registry for all .de domains

    As the registry, DENIC manages all .de domains and ensures that they are accessible at all times.

    Compare Denic with Quad9 →
  18. 18

    Internet country-code top level domain for Canada

    Compare cira.ca with Quad9 →
  19. 19
    I2P geti2p.net English No trackers

    I2P - The Invisible Internet Project | EN

    I2P is a fully encrypted private network layer. Protect your online activity from surveillance and censorship with built-in end-to-end encryption.

    Compare I2P with Quad9 →
  20. 20
    SIDN sidn.nl English No trackers

    For confidence online | SIDN

    At SIDN you can check your .nl domain name. We also can offer you security services, like SIDN BrandGuard.

    Compare SIDN with Quad9 →

Closest first, by how much each site’s offer resembles Quad9’s. Trackers are counted the same way as above. Highlighted technologies are ones Quad9 uses too. Votes and comments come from visitors and don’t change the order.

04 · History

No changes yet. Each new crawl is compared with the last one, and what Quad9 adds, drops or rewrites shows up here.

05 · Details

How we measure

Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.

The full technology stack, the competitor map and search numbers · 5 technologies
Neighbours
k = 20
Sites searched
9,192
Vector
384-d
Query
29 ms

Competitor map

Each alternative by how close its vector is to Quad9’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Hover for the numbers, click to jump to it in the list.

similarity × popularity

DNSFilterShadowserverICANNPi-holeCleanBrowsingControl DNLnet LabsOpenDNSAdGuard DNSNextDNS

Built with

Marketing automation
  • Mailchimp TXT v=spf1 a mx include:_spf.quad9.net include:mail.zendesk.com include:s…
Live chat & support
  • Zendesk TXT v=spf1 a mx include:_spf.quad9.net include:mail.zendesk.com include:s…
Web servers
  • nginx header server: nginx/1.22.1
SaaS tools (verified in DNS)
  • Google Search Console TXT google-site-verification=pubFqUAodApNRC6sXcA_NNli9mak_IIlLSu6SWjyvPg
  • Slack TXT slack-domain-verification=EhulLkEHEcEGaLail027zEvZEfO54vuTRtNOKfY9